FIELD: information technology.
SUBSTANCE: mobile communication device has an internal antenna device for receiving low-frequency signals of the operating frequency range lower than 1 GHz and the internal antenna device can be connected in series or parallel to an external antenna such as a headset. The disclosed mobile communication device, which uses an internal antenna device to receive low-frequency signals, is adapted to operate as a radio alarm and for periodical recording of radio programs without connecting an external headset.
EFFECT: possibility of receiving low-frequency signals without using an external headset as an antenna.
19 cl, 10 dwg
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Authors
Dates
2012-10-27—Published
2007-02-19—Filed